Abstract
When an atom is subject to X-ray irradiation or to electron bombardment, photoelectrons can be ejected leaving an ion. If the ion has a vacancy in a core orbital then relaxation follows, either by X-ray emission, in which an electron from a less tightly bound orbital ‘jumps’ to the inner orbital and the energy released is observed as an X-ray photon, or by the formation of an Auger electron whose kinetic energy derives from a similar transition and which leaves a doubly ionised atom. These processes together with related transitions that can occur if the initial ionising event has caused electronic excitation or even further ionisation are summarised in figure 1.
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© 1988 Plenum Press, New York
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Urch, D.S. (1988). Pax (Photoelectron and X-Ray Emission) Spectroscopy: Basic Principles and Chemical Effects. In: Ferreira, J.G., Ramos, M.T. (eds) X-Ray Spectroscopy in Atomic and Solid State Physics. NATO ASI Series, vol 187. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0731-0_6
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DOI: https://doi.org/10.1007/978-1-4613-0731-0_6
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